Open and Close_Single Responsibility_Richter Replacement

Dependency inversion principle explained in detail

Interface isolation_Dimiter's Law_Understanding the concepts of aggregation and combination

In-depth explanation of singleton pattern

Simple factory model in detail

Factory method pattern in detail

Adapter mode in detail_Xiaomi power supply case

Appearance Mode Essentials_View and Recruitment Cases

A detailed introduction to the combination model_Jingdong Navigation Case

Decorator Pattern Essentials_Tomato and Egg Noodles Case

An in-depth introduction to the agent model - database protection agent

An in-depth introduction to the observer pattern - QQ talks about database caching cases

Strategic Model Lecture 1: Different discounts based on membership level

A detailed introduction to template method patterns - DZ template hook case

An in-depth explanation of the chain of responsibility model_Student leave approval case